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What is AERD/Samter’s Triad?

Aspirin tablet, 94084869Aspirin Exacerbated Respiratory Disease (AERD), also known as Samter’s Triad or Aspirin Sensitive Asthma, is a chronic medical condition that consists of asthma, recurrent sinus disease with nasal polyps, and a sensitivity to aspirin and other non-steroidal anti-inflammatory drugs (NSAIDs). Approximately 10% of all adults with asthma and 40% of patients with asthma and nasal polyps are sensitive to aspirin and NSAIDs.

What are the symptoms?

Patients with AERD/Samter’s Triad usually have asthma, nasal congestion, and nasal polyps, and often do not respond to conventional treatments. Many have experienced chronic sinus infections and can lose their sense of smell. The characteristic feature of AERD/Samter’s Triad is that patients develop reactions triggered by aspirin or other NSAIDs.

These reactions can include:

  • Increased nasal congestion or stuffiness
  • Eye watering or redness
  • Cough, wheezing, or chest tightness
  • Frontal headache or sensation of sinus pain
  • Flushing and/or a rash
  • Nausea and/or abdominal cramping
  • General feeling of malaise, sometimes accompanied by dizziness

If you not do have asthma, nasal congestion and/or nasal polyps but experience reactions to aspirin or NSAIDs, click here and here to learn about the Brigham and Women’s Aspirin and NSAID Allergy Clinic. The Aspirin/NSAID Allergy new patient packet can be found here.

Latest News & Information
08Sep 22

Loss of smell in patients with aspirin-exacerbated respiratory disease impacts mental health and quality of life

A common problem for AERD patients is loss of sense of smell, or anosmia, but its impact on patients’ quality of life, mental health, and physical wellbeing has been poorly studied. We developed a new questionnaire about the consequences of anosmia, which, along with several other quality-of-life questionnaires was sent to all our Registry patients. Eighty-five percent of the 853 patients who answered the questionnaires (Thank you!) reported diminished sense of smell and/or taste, and we learned that their loss of smell severely impacts their physical, emotional, and mental health. Many patients with diminished smell responded that they could not identify spoiled food (86%), did not enjoy food (71%), felt unsafe (63%), and had encountered dangerous situations (51%) because of their poor smell.
We think that the importance of sense of smell and the relevance of anosmia to patients’ lives should be acknowledged and evaluated by clinicians caring for these patients. Read more here.

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01Aug 22

Rapid and sustained effect of dupilumab on clinical and mechanistic outcomes in aspirin-exacerbated respiratory disease

This study followed 22 patients with AERD who were treated with dupilumab for 3 months. Participants had rapid improvement in their symptoms, including sense of smell, sinonasal symptoms, and lung function after just 1 month of dupilumab, which were sustained after 3 months of dupilumab. Baseline severity of smell loss correlated with lower nasal prostaglandin E2 levels. Dupilumab increased nasal prostaglandin E2 and decreased levels of nasal albumin, nasal and urinary leukotriene E4, and serum and nasal IgE. Transcripts related to epithelial dysfunction and leukocyte activation and migration were downregulated in inferior turbinate tissue after treatment with dupilumab. There were no dupilumab-induced changes in markers of nasal eosinophilia. We conclude that inhibition of IL-4Ra in AERD led to rapid improvement in respiratory symptoms and smell, with a concomitant improvement in epithelial barrier function, a decrease in inflammatory eicosanoid levels, and an increase in the anti-inflammatory eicosanoid prostaglandin E2. The therapeutic effects of dupilumab are likely due to decreased IL-4Ra signaling on respiratory tissue granulocytes, epithelial cells, and B cells.

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01Jul 22

Aspirin desensitization and biologics in aspirin-exacerbated respiratory disease: Efficacy, tolerability, and patient experience

In this study we surveyed 98 patients with AERD in the Brigham and Women’s Hospital AERD registry. Patients completed an online questionnaire describing their medication history and treatment experience. A total of 52 (53.0%) patients reported a history of use of one or more respiratory biologics (omalizumab, mepolizumab, reslizumab, benralizumab, or dupilumab), and 84 (85.7%) reported undergoing aspirin desensitization. There were 24 patients (24.4%) who reported concurrent use of a biologic and daily aspirin therapy. Compared with those on daily aspirin therapy alone, patients taking a biologic and aspirin therapy concurrently were less likely to report that aspirin was effective for their AERD symptoms. Whereas patients reported varying efficacy with biologics, dupilumab had the highest odds of patients reporting it worked “very well”. We conclude that biologics are emerging as a treatment option for AERD and are generally well tolerated. Biologic efficacy in AERD is variable by agent, though most patients taking dupilumab found it to be effective. Patients on a biologic in conjunction with daily aspirin therapy may represent a more severe subset of AERD for which daily aspirin therapy alone is insufficient. Read more here.

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13Jun 22

Dupilumab as an adjunct to surgery in patients with aspirin-exacerbated respiratory disease

We report a series of eight patients with AERD who had experienced a rapid recurrence of nasal polyps after a prior endoscopic sinus surgery, and who subsequently went on to have a revision endoscopic sinus surgery with perioperative initiation of dupilumab, a monoclonal antibody targeting interleukin 4Ra. We found that dupilumab led to no or slower nasal polyp recurrence after surgery compared to the prior sinus surgery, and perioperative initiation of dupilumab therapy also improved upper airway symptoms. This study provides evidence for the use of dupilumab as an adjunct to surgery to prevent polyp regrowth for patients with AERD and insufficient response to standard-of-care therapies. Read more here.

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15May 22

Dupilumab-associated arthralgia in patients with aspirin-exacerbated respiratory disease: a case series

We report a series of eight patients with AERD who developed arthralgias after initiating dupilumab. We found that 8 patients out of the 160 (5%) with AERD who have been prescribed dupilumab at our center developed possible dupilumab-associated arthralgias. Of the patients who underwent extensive rheumatologic work-up, no etiology of the joint symptoms was identified. All 8 patients experienced significant improvement in upper and lower respiratory tract symptoms and ultimately decided to continue dupilumab even with the possible dupilumab-associated arthralgias. Out of the eight subjects, the arthralgias spontaneously resolved in five of the patients. The cause of the dupilumab-associated arthralgias is unknown, but one possible explanation is a Type 1 or Type 3 “escape” with inhibition of IL-4Ra. Read more here.

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07Oct 21

Mepolizumab targets multiple immune cells in aspirin-exacerbated respiratory disease

Eosinophilic asthma and nasal polyposis are hallmarks of aspirin-exacerbated respiratory disease (AERD), and IL-5 inhibition has been shown to provide therapeutic benefit. However, IL-5Rα is expressed on many cells in addition to eosinophils, and the mechanisms by which IL-5 inhibition leads to clinical benefit in eosinophilic asthma and nasal polyposis are unlikely to be due exclusively to antieosinophil effects.

https://pubmed.ncbi.nlm.nih.gov/34144111/

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24May 21

COVID-19 in a series of patients with Aspirin-Exacerbated Respiratory Disease

A series of patients with AERD who developed COVID-19, including many who were treated with respiratory biologics for their baseline AERD, did not appear to experience increased morbidity compared to the general population with COVID19. This is reassuring to those with exacerbation-prone asthma and nasal polyps. It is intriguing that a strong type 2 inflammatory signal in the respiratory tract — a signal that the vast majority of patients with AERD exhibit — might actually be protective against severe COVID-19. Read more here.

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01Sep 22

Pediatric-onset aspirin-exacerbated respiratory disease: Clinical characteristics, prevalence, and response to dupilumab

We describe a series of six cases of pediatric AERD seen and evaluated at our AERD Center. All six of them had such severe asthma or had failed so many prior therapies that they who ultimately initiated treatment with dupilumab, and subsequently all six of them reported good therapeutic response. We found that the clinical characteristics of pediatric-onset AERD are indistinguishable from those observed in adult patients. Further, we report that female patients with AERD are more likely to have developed their AERD in childhood, and that overall pediatric-onset AERD is more common than previously thought, with >6% of all patients with AERD reporting disease onset in childhood.

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